|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||307/45 ; 307/46 ; 307/72 ; 363/98|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 177 인용 특허 : 0|
An ac electric drive system includes a bidirectional power semiconductor interface between a battery, or an auxiliary energy storage device, and a power inverter for boosting an input dc voltage and for decoupling the dc link voltage from the input dc voltage such that the dc link voltage is substantially independent of the input dc voltage and the parameters of the battery or energy storage device. The input dc voltage is controlled to maximize efficiency along predetermined torque envelopes.
An electric drive system, comprising: a power inverter for converting a dc link voltage to an ac output voltage; means for coupling an energy storage device to said power inverter for delivering an input dc voltage to said drive system; a bidirectional dc-to-dc converter coupled between said means for coupling and said inverter, said dc-to-dc converter boosting said input dc voltage by a predetermined factor, said dc-to-dc converter decoupling the dc link voltage from the input dc voltage delivered by said energy storage device such that the dc link volt...